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International Journal of Automotive Technology > Volume 17(4); 2016 > Article
International Journal of Automotive Technology 2016;17(4): 651-663.
doi: https://doi.org/10.1007/s12239-016-0064-3
NOVEL STABILITY CONTROL STRATEGY FOR DISTRIBUTED DRIVE ELECTRIC VEHICLE BASED ON DRIVER OPERATION INTENTION
L. XIONG, G. W. TENG, Z. P. YU, W. X. ZHANG, Y. FENG
Tongji University
ABSTRACT
In this paper, a novel direct yaw control method based on driver operation intention for stability control of a distributed drive electric vehicle is proposed. It was discovered that the vehicle loses its stability easily under an emergency steering alignment (EA) problem. An emergent control algorithm is proposed to improve vehicle stability under such a condition. A driver operation intention recognition module is developed to identify the driving conditions. When the vehicle enters into an EA condition, the module can quickly identify it and transfer the control method from normal direct yaw control to emergency control. Two control algorithms are designed. The emergency control algorithm is applied to an EA condition while the adaptive control algorithm is applied to other conditions except the EA condition. Both simulation results and real vehicle results show that: The driver module can accurately identify driving conditions based on driver operation intention. When the vehicle enters into EA condition, the emergent control algorithm can intervene quickly, and it has proven to outperform normal direct yaw control for better stabilization of vehicles.
Key Words: Distributed drive electric vehicle, Stability control, Driver operation intention, Emergency steering alignment
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